What about just tracking the users themselves? Why can't they require the country/province's ID card, and blacklist known scammers? It's usually a lot of the s

What about just tracking the users themselves? Why can't they require the country/province's ID card, and blacklist known scammers? It's usually a lot of the same people. If they also cooperated with law enforcement on getting them prosecuted, the return to scamming would evaporate overnight.